Я получаю следующее сообщение об ошибкеУгловые не может прочитать свойство неопределенного
Я новичок в угловой так не в состоянии понять, что это значит. Может кто-нибудь, пожалуйста, объясните мне, что это значит?
import { Component, OnInit, OnDestroy } from '@angular/core';
import { ActivatedRoute } from '@angular/router';
import { Response } from '@angular/http';
import { NgbActiveModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap';
import { EventManager, AlertService, LanguageService } from '../../util';
import { DataConfiguration } from './dataconfiguration.model';
import { DataConfigurationPopupService } from './dataconfiguration-popup.service';
import { DataConfigurationService } from './dataconfiguration.service';
@Component({
selector: 'dp-dataconfiguration-dialog',
templateUrl: './dataconfiguration-dialog.component.html'
})
export class DataConfigurationDialogComponent implements OnInit {
dataConfiguration: DataConfiguration;
authorities: any[];
isSaving: boolean;
constructor(
public activeModal: NgbActiveModal,
private languageService: LanguageService,
private alertService: AlertService,
private dataConfigurationService: DataConfigurationService,
private eventManager: EventManager
) {
this.languageService.setLocations(['dataconfiguration']);
}
ngOnInit() {
this.isSaving = false;
this.authorities = ['ROLE_USER', 'ROLE_ADMIN'];
}
clear() {
this.activeModal.dismiss('cancel');
}
save() {
this.isSaving = true;
if (this.dataConfiguration.id !== undefined) {
this.dataConfigurationService.update(this.dataConfiguration)
.subscribe((res: DataConfiguration) => this.onSaveSuccess(res), (res: Response) => this.onSaveError(res.json()));
} else {
this.dataConfigurationService.create(this.dataConfiguration)
.subscribe((res: DataConfiguration) => this.onSaveSuccess(res), (res: Response) => this.onSaveError(res.json()));
}
}
private onSaveSuccess (result: DataConfiguration) {
this.eventManager.broadcast({ name: 'dataconfigurationListModification', content: 'OK'});
this.isSaving = false;
this.activeModal.dismiss(result);
}
private onSaveError (error) {
this.isSaving = false;
this.onError(error);
}
private onError (error) {
this.alertService.error(error.message, null, null);
}
}
@Component({
selector: 'dp-dataconfiguration-popup',
template: ''
})
export class DataConfigurationPopupComponent implements OnInit, OnDestroy {
modalRef: NgbModalRef;
routeSub: any;
constructor (
private route: ActivatedRoute,
private dataConfigurationPopupService: DataConfigurationPopupService
) {}
ngOnInit() {
this.routeSub = this.route.params.subscribe(params => {
if (params['id']) {
this.modalRef = this.dataConfigurationPopupService
.open(DataConfigurationDialogComponent, params['id']);
} else {
this.modalRef = this.dataConfigurationPopupService
.open(DataConfigurationDialogComponent);
}
});
}
ngOnDestroy() {
this.routeSub.unsubscribe();
}
}
HTML
<form name="editForm" role="form" novalidate (ngSubmit)="save()" #editForm="ngForm">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true"
(click)="clear()">×</button>
<h4 class="modal-title" id="myDataConfigurationLabel" dpTranslate="dataconfiguration.home.createOrEditLabel">Create or edit a DataConfiguration</h4>
</div>
<div class="modal-body">
<dp-alert-error></dp-alert-error>
<div class="form-group" [hidden]="!dataconfiguration.id">
<label for="id" dpTranslate="global.field.id">ID</label>
<input type="text" class="form-control" id="id" name="id"
[(ngModel)]="dataconfiguration.id" readonly />
</div>
<div class="form-group">
<label class="form-control-label" dpTranslate="dataconfiguration.name" for="field_name">Name</label>
<input type="text" class="form-control" name="name" id="field_name"
[(ngModel)]="dataconfiguration.name"
required minlength="3" />
<div [hidden]="!(editForm.controls.name?.dirty && editForm.controls.name?.invalid)">
<small class="form-text text-danger"
[hidden]="!editForm.controls.name?.errors?.required" dpTranslate="dataconfiguration.validation.required">
This field is required.
</small>
<small class="form-text text-danger"
[hidden]="!editForm.controls.name?.errors?.minlength" dpTranslate="dataconfiguration.validation.minlength" translateValues="{ min: 3 }">
This field is required to be at least 3 characters.
</small>
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal" (click)="clear()">
<span class="fa fa-ban"></span> <span dpTranslate="dataconfiguration.action.cancel">Cancel</span>
</button>
<button type="submit" [disabled]="editForm.form.invalid || isSaving" class="btn btn-primary">
<span class="fa fa-save"></span> <span dpTranslate="dataconfiguration.action.save">Save</span>
</button>
</div>
</form>
index.ts
export * from './tenant.model';
export * from './tenant-popup.service';
export * from './tenant.service';
export * from './tenant-dialog.component';
export * from './tenant-delete-dialog.component';
export * from './detail/tenant-detail.component';
export * from './tenant.component';
export * from './tenant.route';
export * from './configuration/dataconfiguration.service';
export * from './configuration/dataconfiguration-popup.service';
export * from './configuration/dataconfiguration-dialog.component';
export * from './configuration/dataconfiguration-delete-dialog.component';
export * from './configuration/detail/dataconfiguration-detail.component';
Посмотрите на файл index.ts в строке 15. Вы пытаетесь прочитать замену свойства для переменной, которая не определена. – mickdev
Можете ли вы разместить свой html? –
обновите код в соответствующих файлах, без которых это невозможно исправить. – Aravind